package com.hmdp.utils;

import cn.hutool.core.util.StrUtil;
import com.hmdp.dto.UserDTO;
import org.apache.ibatis.logging.stdout.StdOutImpl;
import org.springframework.beans.BeanUtils;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import java.net.SocketTimeoutException;
import java.util.Map;
import java.util.concurrent.TimeUnit;

import static com.hmdp.utils.RedisConstants.LOGIN_USER_KEY;
import static com.hmdp.utils.RedisConstants.LOGIN_USER_TTL;

/**
 * ClassName: LoginInterceptor
 * Package: com.hmdp.utils
 * Description:
 *
 * @Author 看到风
 * @Create 2024/3/4 21:40
 * @Version 1.0
 */
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        System.out.println("进入二级拦截器");
        // 1.判断是否需要拦截（ThreadLocal中是否有用户）
        if (UserHolder.getUser() == null) {
            // 没有，需要拦截，设置状态码
            response.setStatus(401);
            // 拦截
            return false;
        }
        // 有用户，则放行
        System.out.println("二级拦截结束");
        return true;
    }
}
